[ViewVC] Diff of: cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.159 by sf-exg, Wed Aug 10 07:34:35 2011 UTC vs.
Revision 1.207 by sf-exg, Thu May 10 21:48:55 2012 UTC

…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	---------------------------------------------------------------------/	23	---------------------------------------------------------------------/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
37	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* scale Scale both up and down
58	*/
59		40
60	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat \| CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
61	void	60	void
62	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
63	{	62	{
64	#ifdef HAVE_AFTERIMAGE
65	if (original_asim)
66	safe_asimage_destroy (original_asim);
67	if (asv)
68	destroy_asvisual (asv, 0);
69	if (asimman)
70	destroy_image_manager (asimman, 0);
71	#endif
72
73	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
74	if (pixbuf)	64	if (pixbuf)
75	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
76	#endif	66	#endif
77		67
…		…
130		120
131	return false;	121	return false;
132	}	122	}
133		123
134	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
135	static inline bool
136	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
137	{
138	if (geom_flags & flag)
139	{
140	if (new_value > 1000)
141	new_value = 1000;
142	if (new_value != scale)
143	{
144	scale = new_value;
145	return true;
146	}
147	}
148	return false;
149	}
150
151	static inline bool
152	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
153	{
154	if (geom_flags & flag)
155	{
156	if (new_value < -100)
157	new_value = -100;
158	else if (new_value > 200)
159	new_value = 200;
160	if (new_value != align)
161	{
162	align = new_value;
163	return true;
164	}
165	}
166	return false;
167	}
168
169	static inline int	125	static inline int
170	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
171	{	127	{
172	int diff = window_size - image_size;
173	int smaller = min (image_size, window_size);
174
175	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
176	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
177	else if (align > 100 && align <= 200)	130	else if (align > 100)
178	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
179	else if (align >= -100 && align < 0)	132	else
180	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
181	return 0;
182	}	134	}
183		135
184	static inline int	136	static inline int
185	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	137	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
186	{	138	{
…		…
192	src_pos = -pos;	144	src_pos = -pos;
193	dst_pos = 0;	145	dst_pos = 0;
194	dst_size += pos;	146	dst_size += pos;
195	}	147	}
196		148
197	if (dst_pos + dst_size > target_size)
198	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
199	return src_pos;	150	return src_pos;
200	}	151	}
201		152
202	bool	153	bool
203	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
204	{	155	{
205	bool changed = false;	156	bool changed = false;
206	int geom_flags = 0;	157	int geom_flags = 0;
207	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
208	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
209	unsigned int n;	161	unsigned int h = v_scale;
210	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	162	unsigned long new_flags = 0;
211	const char *ops;
212		163
213	if (geom == NULL)	164	if (geom == NULL)
214	return false;	165	return false;
215		166
216	char str[256];	167	if (geom[0])
217
218	ops = strchr (geom, ':');
219	if (ops == NULL)
220	n = strlen (geom);
221	else
222	n = ops - geom;
223
224	if (n >= sizeof (str))
225	return false;
226
227	memcpy (str, geom, n);
228	str[n] = '\0';
229	rxvt_strtrim (str);
230
231	if (str[0])
232	{	168	{
233	/* we have geometry string - let's handle it prior to applying ops */	169	char **arr = rxvt_strsplit (':', geom);
		170
		171	for (int i = 0; arr[i]; i++)
		172	{
		173	if (!strcasecmp (arr[i], "style=tiled"))
		174	{
		175	new_flags = BG_TILE;
		176	w = h = noScale;
		177	x = y = 0;
		178	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		179	}
		180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		181	{
		182	new_flags = BG_KEEP_ASPECT;
		183	w = h = windowScale;
		184	x = y = centerAlign;
		185	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		186	}
		187	else if (!strcasecmp (arr[i], "style=stretched"))
		188	{
		189	new_flags = 0;
		190	w = h = windowScale;
		191	geom_flags = WidthValue\|HeightValue;
		192	}
		193	else if (!strcasecmp (arr[i], "style=centered"))
		194	{
		195	new_flags = 0;
		196	w = h = noScale;
		197	x = y = centerAlign;
		198	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		199	}
		200	else if (!strcasecmp (arr[i], "style=root-tiled"))
		201	{
		202	new_flags = BG_TILE\|BG_ROOT_ALIGN;
		203	w = h = noScale;
		204	geom_flags = WidthValue\|HeightValue;
		205	}
		206	else if (!strcasecmp (arr[i], "op=tile"))
		207	new_flags \|= BG_TILE;
		208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		209	new_flags \|= BG_KEEP_ASPECT;
		210	else if (!strcasecmp (arr[i], "op=root-align"))
		211	new_flags \|= BG_ROOT_ALIGN;
		212
		213	// deprecated
		214	else if (!strcasecmp (arr[i], "tile"))
		215	{
		216	new_flags \|= BG_TILE;
		217	w = h = noScale;
		218	geom_flags \|= WidthValue\|HeightValue;
		219	}
		220	else if (!strcasecmp (arr[i], "propscale"))
		221	{
		222	new_flags \|= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags \|= WidthValue\|HeightValue;
		225	}
		226	else if (!strcasecmp (arr[i], "hscale"))
		227	{
		228	new_flags \|= BG_TILE;
		229	w = windowScale;
		230	h = noScale;
		231	geom_flags \|= WidthValue\|HeightValue;
		232	}
		233	else if (!strcasecmp (arr[i], "vscale"))
		234	{
		235	new_flags \|= BG_TILE;
		236	h = windowScale;
		237	w = noScale;
		238	geom_flags \|= WidthValue\|HeightValue;
		239	}
		240	else if (!strcasecmp (arr[i], "scale"))
		241	{
		242	w = h = windowScale;
		243	geom_flags \|= WidthValue\|HeightValue;
		244	}
		245	else if (!strcasecmp (arr[i], "auto"))
		246	{
		247	w = h = windowScale;
		248	x = y = centerAlign;
		249	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
		250	}
		251	else if (!strcasecmp (arr[i], "root"))
		252	{
		253	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;
		254	w = h = noScale;
		255	geom_flags \|= WidthValue\|HeightValue;
		256	}
		257
		258	else
234	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	259	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
235	} /* done parsing geometry string */	260	} /* done parsing ops */
		261
		262	rxvt_free_strsplit (arr);
		263	}
		264
		265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
236		266
237	if (!update)	267	if (!update)
238	{	268	{
239	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
240	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
245	w = h = defaultScale;	275	w = h = defaultScale;
246	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
247	h = w;	277	h = w;
248	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
249	w = h;	279	w = h;
250
251	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
252	}
253
254	if (ops)
255	{	280	}
256	char **arr = rxvt_strsplit (':', ops + 1);
257		281
258	for (int i = 0; arr[i]; i++)	282	min_it (w, 1000);
259	{	283	min_it (h, 1000);
260	if (!strcasecmp (arr[i], "tile"))	284	clamp_it (x, -100, 200);
261	{	285	clamp_it (y, -100, 200);
262	new_flags \|= BG_TILE;
263	w = h = noScale;
264	geom_flags \|= WidthValue\|HeightValue;
265	}
266	else if (!strcasecmp (arr[i], "propscale"))
267	{
268	new_flags \|= BG_PROP_SCALE;
269	}
270	else if (!strcasecmp (arr[i], "scale"))
271	{
272	if (h == 0) h = windowScale;
273	if (w == 0) w = windowScale;
274		286
275	geom_flags \|= WidthValue\|HeightValue;	287	if (bg_flags != new_flags
276	}	288	\|\| h_scale != w
277	else if (!strcasecmp (arr[i], "center"))	289	\|\| v_scale != h
278	{	290	\|\| h_align != x
279	w = h = noScale;	291	\|\| v_align != y)
280	x = y = centerAlign;
281	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
282	}
283	else if (!strcasecmp (arr[i], "root"))
284	{
285	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;
286	w = h = noScale;
287	geom_flags \|= WidthValue\|HeightValue;
288	}
289	} /* done parsing ops */
290
291	rxvt_free_strsplit (arr);
292	}
293
294	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
295	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
296	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
297	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
298
299	if (new_flags != bg_flags)
300	{	292	{
301	bg_flags = new_flags;	293	bg_flags = new_flags;
		294	h_scale = w;
		295	v_scale = h;
		296	h_align = x;
		297	v_align = y;
302	changed = true;	298	changed = true;
303	}	299	}
304		300
305	return changed;	301	return changed;
306	}	302	}
…		…
309	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
310	{	306	{
311	int target_width = szHint.width;	307	int target_width = szHint.width;
312	int target_height = szHint.height;	308	int target_height = szHint.height;
313		309
		310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
314	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
315	{	314	{
316	float scale = (float)target_width / image_width;	315	float scale = (float)w / image_width;
317	min_it (scale, (float)target_height / image_height);	316	min_it (scale, (float)h / image_height);
318	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
319	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
320	}	319	}
321	else
322	{
323	w = h_scale * target_width / 100;
324	h = v_scale * target_height / 100;
325	}
326		320
327	if (!w) w = image_width;	321	if (!w) w = image_width;
328	if (!h) h = image_height;	322	if (!h) h = image_height;
329		323
330	if (bg_flags & BG_ROOT_ALIGN)	324	if (bg_flags & BG_ROOT_ALIGN)
…		…
336	{	330	{
337	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
338	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
339	}	333	}
340		334
341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
342	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
343	\|\| (bg_flags & BG_PROP_SCALE) \|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
344	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
345	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
346	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
347	}
348
349	# ifdef HAVE_AFTERIMAGE
350	bool
351	rxvt_term::render_image (unsigned long tr_flags)
352	{
353	init_asv ();
354
355	ASImage *background = NULL;
356	ARGB32 background_tint = TINT_LEAVE_SAME;
357
358	# ifdef ENABLE_TRANSPARENCY
359	if (tr_flags)
360	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
361
362	if (tr_flags & BG_NEEDS_TINT)
363	{
364	ShadingInfo as_shade;
365	as_shade.shading = shade;
366
367	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
368	if (bg_flags & BG_TINT_SET)
369	tint.get (c);
370	as_shade.tintColor.red = c.r;
371	as_shade.tintColor.green = c.g;
372	as_shade.tintColor.blue = c.b;
373
374	background_tint = shading2tint32 (&as_shade);
375	}
376
377	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
378	{
379	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
380	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
381	100, ASIMAGE_QUALITY_DEFAULT);
382	if (tmp)
383	{
384	destroy_asimage (&background);
385	background = tmp;
386	}
387	}
388	# endif
389
390	ASImage *result = 0;
391
392	int target_width = szHint.width;
393	int target_height = szHint.height;
394	int new_pmap_width = target_width;
395	int new_pmap_height = target_height;
396
397	int x = 0;
398	int y = 0;
399	int w = 0;
400	int h = 0;
401
402	if (original_asim)
403	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
404
405	if (!original_asim
406	\|\| (!(bg_flags & BG_ROOT_ALIGN)
407	&& (x >= target_width
408	\|\| y >= target_height
409	\|\| (x + w <= 0)
410	\|\| (y + h <= 0))))
411	{
412	if (background)
413	{
414	new_pmap_width = background->width;
415	new_pmap_height = background->height;
416	result = background;
417
418	if (background_tint != TINT_LEAVE_SAME)
419	{
420	ASImage *tmp = tile_asimage (asv, background, 0, 0,
421	target_width, target_height, background_tint,
422	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
423	if (tmp)
424	result = tmp;
425	}
426	}
427	else
428	new_pmap_width = new_pmap_height = 0;
429	}
430	else	340	else
431	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
432	result = original_asim;
433
434	if ((w != original_asim->width)
435	\|\| (h != original_asim->height))
436	{
437	result = scale_asimage (asv, original_asim,
438	w, h,
439	background ? ASA_ASImage : ASA_XImage,
440	100, ASIMAGE_QUALITY_DEFAULT);
441	}
442
443	if (background == NULL)
444	{
445	if (bg_flags & BG_TILE)
446	{
447	/* if tiling - pixmap has to be sized exactly as the image,
448	but there is no need to make it bigger than the window! */
449	new_pmap_width = min (result->width, target_width);
450	new_pmap_height = min (result->height, target_height);
451
452	/* we also need to tile our image in both directions */
453	ASImage *tmp = tile_asimage (asv, result,
454	(int)result->width - x,
455	(int)result->height - y,
456	new_pmap_width,
457	new_pmap_height,
458	TINT_LEAVE_SAME, ASA_XImage,
459	100, ASIMAGE_QUALITY_DEFAULT);
460	if (tmp)
461	{
462	if (result != original_asim)
463	destroy_asimage (&result);
464
465	result = tmp;
466	}
467	}
468	}
469	else
470	{
471	/* if blending background and image - pixmap has to be sized same as target window */
472	ASImageLayer *layers = create_image_layers (2);
473
474	layers[0].im = background;
475	layers[0].clip_width = target_width;
476	layers[0].clip_height = target_height;
477	layers[0].tint = background_tint;
478	layers[1].im = result;
479
480	if (bg_flags & BG_TILE)
481	{
482	/* tile horizontally */
483	while (x > 0) x -= (int)result->width;
484	layers[1].dst_x = x;
485	layers[1].clip_width = result->width+target_width;
486	}
487	else
488	{
489	/* clip horizontally */
490	layers[1].dst_x = x;
491	layers[1].clip_width = result->width;
492	}
493
494	if (bg_flags & BG_TILE)
495	{
496	while (y > 0) y -= (int)result->height;
497	layers[1].dst_y = y;
498	layers[1].clip_height = result->height + target_height;
499	}
500	else
501	{
502	layers[1].dst_y = y;
503	layers[1].clip_height = result->height;
504	}
505
506	if (rs[Rs_blendtype])
507	{
508	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
509	if (layers[1].merge_scanlines == NULL)
510	layers[1].merge_scanlines = alphablend_scanlines;
511	}
512
513	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
514	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
515
516	if (tmp)
517	{
518	if (result != original_asim)
519	destroy_asimage (&result);
520
521	result = tmp;
522	}
523
524	free (layers);
525	}
526	}
527
528	bool ret = false;
529
530	if (result)
531	{
532	XGCValues gcv;
533	GC gc;
534
535	/* create Pixmap */
536	if (bg_pixmap == None
537	\|\| bg_pmap_width != new_pmap_width
538	\|\| bg_pmap_height != new_pmap_height)
539	{
540	if (bg_pixmap)
541	XFreePixmap (dpy, bg_pixmap);
542	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
543	bg_pmap_width = new_pmap_width;
544	bg_pmap_height = new_pmap_height;
545	}
546	/* fill with background color (if result's not completely overlapping it) */
547	gcv.foreground = pix_colors[Color_bg];
548	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
549
550	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
551	int dst_width = result->width, dst_height = result->height;
552	if (background == NULL)
553	{
554	if (!(bg_flags & BG_TILE))
555	{
556	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
557	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
558	}
559
560	if (dst_x > 0 \|\| dst_y > 0
561	\|\| dst_x + dst_width < new_pmap_width
562	\|\| dst_y + dst_height < new_pmap_height)
563	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
564	}
565
566	/* put result on pixmap */
567	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
568	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
569
570	if (result != background && result != original_asim)
571	destroy_asimage (&result);
572
573	XFreeGC (dpy, gc);
574
575	ret = true;
576	}
577
578	if (background)
579	destroy_asimage (&background);
580
581	return ret;
582	}	342	}
583	# endif /* HAVE_AFTERIMAGE */
584		343
585	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
586	bool	345	bool
587	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
588	int src_x, int src_y, int dst_x, int dst_y,	347	int src_x, int src_y, int dst_x, int dst_y,
589	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
590	{	349	{
591	XImage *ximage;	350	XImage *ximage;
592	char data, line;	351	char data, line;
593	int bytes_per_pixel;	352	int bytes_per_pixel;
594	int width_r, width_g, width_b;	353	int width_r, width_g, width_b, width_a;
595	int sh_r, sh_g, sh_b;	354	int sh_r, sh_g, sh_b, sh_a;
		355	uint32_t alpha_mask;
596	int rowstride;	356	int rowstride;
597	int channels;	357	int channels;
598	unsigned char *row;	358	unsigned char *row;
599		359
600	if (visual->c_class != TrueColor)	360	if (visual->c_class != TrueColor)
601	return false;	361	return false;
		362
		363	#if XRENDER
		364	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		365	if (format)
		366	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		367	else
		368	#endif
		369	alpha_mask = 0;
602		370
603	if (depth == 24 \|\| depth == 32)	371	if (depth == 24 \|\| depth == 32)
604	bytes_per_pixel = 4;	372	bytes_per_pixel = 4;
605	else if (depth == 15 \|\| depth == 16)	373	else if (depth == 15 \|\| depth == 16)
606	bytes_per_pixel = 2;	374	bytes_per_pixel = 2;
…		…
608	return false;	376	return false;
609		377
610	width_r = ecb_popcount32 (visual->red_mask);	378	width_r = ecb_popcount32 (visual->red_mask);
611	width_g = ecb_popcount32 (visual->green_mask);	379	width_g = ecb_popcount32 (visual->green_mask);
612	width_b = ecb_popcount32 (visual->blue_mask);	380	width_b = ecb_popcount32 (visual->blue_mask);
		381	width_a = ecb_popcount32 (alpha_mask);
613		382
614	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	383	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
615	return false;	384	return false;
616		385
617	sh_r = ecb_ctz32 (visual->red_mask);	386	sh_r = ecb_ctz32 (visual->red_mask);
618	sh_g = ecb_ctz32 (visual->green_mask);	387	sh_g = ecb_ctz32 (visual->green_mask);
619	sh_b = ecb_ctz32 (visual->blue_mask);	388	sh_b = ecb_ctz32 (visual->blue_mask);
		389	sh_a = ecb_ctz32 (alpha_mask);
620		390
621	if (width > INT_MAX / height / bytes_per_pixel)	391	if (width > INT_MAX / height / bytes_per_pixel)
622	return false;	392	return false;
623		393
624	data = (char )malloc (width height * bytes_per_pixel);	394	data = (char )malloc (width height * bytes_per_pixel);
…		…
638	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
639	channels = gdk_pixbuf_get_n_channels (pixbuf);	409	channels = gdk_pixbuf_get_n_channels (pixbuf);
640	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	410	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
641	line = data;	411	line = data;
642		412
		413	rgba c (0, 0, 0);
		414
		415	if (channels == 4 && alpha_mask == 0)
		416	{
		417	pix_colors[Color_bg].get (c);
		418	c.r >>= 8;
		419	c.g >>= 8;
		420	c.b >>= 8;
		421	}
		422
643	for (int y = 0; y < height; y++)	423	for (int y = 0; y < height; y++)
644	{	424	{
645	for (int x = 0; x < width; x++)	425	for (int x = 0; x < width; x++)
646	{	426	{
647	unsigned char pixel = row + x channels;	427	unsigned char pixel = row + x channels;
648	uint32_t value;	428	uint32_t value;
		429	unsigned char r, g, b, a;
649		430
		431	if (channels == 4)
		432	{
		433	a = pixel[3];
		434	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		435	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		436	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		437	}
		438	else
		439	{
		440	a = 0xff;
		441	r = pixel[0];
		442	g = pixel[1];
		443	b = pixel[2];
		444	}
		445
650	value = ((pixel[0] >> (8 - width_r)) << sh_r)	446	value = ((r >> (8 - width_r)) << sh_r)
651	\| ((pixel[1] >> (8 - width_g)) << sh_g)	447	\| ((g >> (8 - width_g)) << sh_g)
652	\| ((pixel[2] >> (8 - width_b)) << sh_b);	448	\| ((b >> (8 - width_b)) << sh_b)
		449	\| ((a >> (8 - width_a)) << sh_a);
653		450
654	if (bytes_per_pixel == 4)	451	if (bytes_per_pixel == 4)
655	((uint32_t *)line)[x] = value;	452	((uint32_t *)line)[x] = value;
656	else	453	else
657	((uint16_t *)line)[x] = value;	454	((uint16_t *)line)[x] = value;
…		…
665	XDestroyImage (ximage);	462	XDestroyImage (ximage);
666	return true;	463	return true;
667	}	464	}
668		465
669	bool	466	bool
670	rxvt_term::render_image (unsigned long tr_flags)	467	rxvt_term::render_image (bool transparent)
671	{	468	{
672	if (!pixbuf)	469	if (!pixbuf)
673	return false;	470	return false;
674		471
675	if (tr_flags	472	if (transparent
676	&& !(bg_flags & BG_HAS_RENDER))	473	&& !(bg_flags & BG_HAS_RENDER))
677	return false;	474	return false;
678		475
679	GdkPixbuf *result;	476	GdkPixbuf *result;
680		477
…		…
694	get_image_geometry (image_width, image_height, w, h, x, y);	491	get_image_geometry (image_width, image_height, w, h, x, y);
695		492
696	if (!(bg_flags & BG_ROOT_ALIGN)	493	if (!(bg_flags & BG_ROOT_ALIGN)
697	&& (x >= target_width	494	&& (x >= target_width
698	\|\| y >= target_height	495	\|\| y >= target_height
699	\|\| (x + w <= 0)	496	\|\| x + w <= 0
700	\|\| (y + h <= 0)))	497	\|\| y + h <= 0))
701	return false;	498	return false;
702		499
703	result = pixbuf;	500	result = pixbuf;
704		501
705	if ((w != image_width)	502	if (w != image_width
706	\|\| (h != image_height))	503	\|\| h != image_height)
707	{	504	{
708	result = gdk_pixbuf_scale_simple (pixbuf,	505	result = gdk_pixbuf_scale_simple (pixbuf,
709	w, h,	506	w, h,
710	GDK_INTERP_BILINEAR);	507	GDK_INTERP_BILINEAR);
711	}	508	}
…		…
720	Pixmap root_pmap;	517	Pixmap root_pmap;
721		518
722	image_width = gdk_pixbuf_get_width (result);	519	image_width = gdk_pixbuf_get_width (result);
723	image_height = gdk_pixbuf_get_height (result);	520	image_height = gdk_pixbuf_get_height (result);
724		521
725	if (tr_flags)	522	if (transparent)
726	{	523	{
727	root_pmap = bg_pixmap;	524	root_pmap = bg_pixmap;
728	bg_pixmap = None;	525	bg_pixmap = None;
729	}	526	}
730	else	527	else
…		…
788	dst_x, dst_y,	585	dst_x, dst_y,
789	dst_width, dst_height);	586	dst_width, dst_height);
790	}	587	}
791		588
792	#if XRENDER	589	#if XRENDER
793	if (tr_flags)	590	if (transparent)
794	{	591	{
795	XRenderPictureAttributes pa;
796
797	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		593
798	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
799		595
800	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
801	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
802		597
803	pa.repeat = True;	598	Picture mask = create_xrender_mask (dpy, vt, False, False);
804	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
805	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
806	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
807	XFreePixmap (dpy, mask_pmap);
808		599
809	XRenderColor mask_c;	600	XRenderColor mask_c;
810		601
811	mask_c.alpha = 0x8000;	602	mask_c.alpha = 0x8000;
812	mask_c.red = 0;	603	mask_c.red =
813	mask_c.green = 0;	604	mask_c.green =
814	mask_c.blue = 0;	605	mask_c.blue = 0;
815	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		607
816	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	608	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
817		609
818	XRenderFreePicture (dpy, src);	610	XRenderFreePicture (dpy, src);
819	XRenderFreePicture (dpy, dst);	611	XRenderFreePicture (dpy, dst);
820	XRenderFreePicture (dpy, mask);	612	XRenderFreePicture (dpy, mask);
…		…
827	}	619	}
828		620
829	if (result != pixbuf)	621	if (result != pixbuf)
830	g_object_unref (result);	622	g_object_unref (result);
831		623
832	if (tr_flags)	624	if (transparent)
833	XFreePixmap (dpy, root_pmap);	625	XFreePixmap (dpy, root_pmap);
834		626
835	return ret;	627	return ret;
836	}	628	}
837	# endif /* HAVE_PIXBUF */	629	# endif /* HAVE_PIXBUF */
…		…
840	rxvt_term::bg_set_file (const char *file)	632	rxvt_term::bg_set_file (const char *file)
841	{	633	{
842	if (!file \|\| !*file)	634	if (!file \|\| !*file)
843	return false;	635	return false;
844		636
		637	bool ret = false;
845	if (const char *p = strchr (file, ';'))	638	const char *p = strchr (file, ';');
		639
		640	if (p)
846	{	641	{
847	size_t len = p - file;	642	size_t len = p - file;
848	char *f = rxvt_temp_buf<char> (len + 1);	643	char *f = rxvt_temp_buf<char> (len + 1);
849	memcpy (f, file, len);	644	memcpy (f, file, len);
850	f[len] = '\0';	645	f[len] = '\0';
851	file = f;	646	file = f;
852	}	647	}
853		648
854	# ifdef HAVE_AFTERIMAGE
855	if (!asimman)
856	asimman = create_generic_imageman (rs[Rs_path]);
857	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
858	if (image)
859	{
860	if (original_asim)
861	safe_asimage_destroy (original_asim);
862	original_asim = image;
863	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
864	return true;
865	}
866	# endif
867
868	# ifdef HAVE_PIXBUF	649	# ifdef HAVE_PIXBUF
869	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
870	if (image)	651	if (image)
871	{	652	{
872	if (pixbuf)	653	if (pixbuf)
873	g_object_unref (pixbuf);	654	g_object_unref (pixbuf);
874	pixbuf = image;	655	pixbuf = image;
875	bg_flags \|= BG_IS_FROM_FILE;	656	bg_flags \|= BG_IS_FROM_FILE;
876	return true;	657	ret = true;
877	}	658	}
878	# endif	659	# endif
879		660
		661	if (ret)
		662	{
		663	if (p)
		664	bg_set_geometry (p + 1);
		665	else
		666	bg_set_default_geometry ();
		667	}
		668
880	return false;	669	return ret;
881	}	670	}
882		671
883	# endif /* BG_IMAGE_FROM_FILE */	672	# endif /* BG_IMAGE_FROM_FILE */
884		673
885	# ifdef ENABLE_TRANSPARENCY	674	# ifdef ENABLE_TRANSPARENCY
…		…
921	{	710	{
922	changed = true;	711	changed = true;
923	v_blurRadius = vr;	712	v_blurRadius = vr;
924	}	713	}
925		714
926	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
		716	bg_flags \|= BG_NEEDS_BLUR;
		717	else
927	bg_flags &= ~BG_NEEDS_BLUR;	718	bg_flags &= ~BG_NEEDS_BLUR;
928	else
929	bg_flags \|= BG_NEEDS_BLUR;
930		719
931	return changed;	720	return changed;
932	}	721	}
933		722
934	void	723	void
935	rxvt_term::set_tint_shade_flags ()	724	rxvt_term::set_tint_shade_flags ()
936	{	725	{
937	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	726	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
938	bool has_shade = shade != 100;	727	bg_flags \|= BG_NEEDS_TINT;
		728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
939		731
		732	bool
		733	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		734	{
		735	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		736	{
		737	tint = new_tint;
940	bg_flags &= ~BG_TINT_FLAGS;	738	bg_flags \|= BG_TINT_SET;
941		739
942	if (bg_flags & BG_TINT_SET)	740	rgba c;
943	{
944	tint.get (c);	741	tint.get (c);
945	if (!has_shade
946	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	742	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
947	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	743	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
948	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	744	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
949	bg_flags \|= BG_TINT_BITAND;	745	bg_flags \|= BG_TINT_BITAND;
950	}	746	else
951
952	if (has_shade \|\| (bg_flags & BG_TINT_SET))
953	bg_flags \|= BG_NEEDS_TINT;
954	}
955
956	bool
957	rxvt_term::bg_set_tint (rxvt_color &new_tint)
958	{
959	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
960	{
961	tint = new_tint;
962	bg_flags \|= BG_TINT_SET;	747	bg_flags &= ~BG_TINT_BITAND;
		748
963	set_tint_shade_flags ();	749	set_tint_shade_flags ();
964	return true;	750	return true;
965	}	751	}
966		752
967	return false;	753	return false;
968	}	754	}
969		755
970	bool	756	bool
971	rxvt_term::bg_set_shade (const char *shade_str)	757	rxvt_term::bg_set_shade (const char *shade_str)
972	{	758	{
973	int new_shade = (shade_str) ? atoi (shade_str) : 100;	759	int new_shade = atoi (shade_str);
974		760
975	clamp_it (new_shade, -100, 200);	761	clamp_it (new_shade, -100, 200);
976	if (new_shade < 0)	762	if (new_shade < 0)
977	new_shade = 200 - (100 + new_shade);	763	new_shade = 200 - (100 + new_shade);
978		764
…		…
1008	params[i+2] = XDoubleToFixed (kernel[i] / sum);	794	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1009	}	795	}
1010	#endif	796	#endif
1011		797
1012	bool	798	bool
1013	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	799	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1014	{	800	{
1015	bool ret = false;	801	bool ret = false;
1016	#if XRENDER	802	#if XRENDER
		803	if (!(bg_flags & BG_HAS_RENDER_CONV))
		804	return false;
		805
1017	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	806	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1018	double kernel = (double )malloc (size * sizeof (double));	807	double kernel = (double )malloc (size * sizeof (double));
1019	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	808	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1020		809
1021	XRenderPictureAttributes pa;	810	XRenderPictureAttributes pa;
1022	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1023		812
		813	pa.repeat = RepeatPad;
1024	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	814	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		815	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1025	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		817	XFreePixmap (dpy, tmp);
1026		818
1027	if (kernel && params)	819	if (kernel && params)
1028	{	820	{
1029	if (h_blurRadius)
1030	{
1031	size = h_blurRadius * 2 + 1;	821	size = h_blurRadius * 2 + 1;
1032	get_gaussian_kernel (h_blurRadius, size, kernel, params);	822	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1033		823
1034	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	824	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1035	XRenderComposite (dpy,	825	XRenderComposite (dpy,
1036	PictOpSrc,	826	PictOpSrc,
1037	src,	827	src,
1038	None,	828	None,
1039	dst,	829	dst,
1040	0, 0,	830	0, 0,
1041	0, 0,	831	0, 0,
1042	0, 0,	832	0, 0,
1043	width, height);	833	width, height);
1044	}
1045		834
1046	if (v_blurRadius)	835	::swap (src, dst);
1047	{	836
1048	size = v_blurRadius * 2 + 1;	837	size = v_blurRadius * 2 + 1;
1049	get_gaussian_kernel (v_blurRadius, size, kernel, params);	838	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1050	::swap (params[0], params[1]);	839	::swap (params[0], params[1]);
1051		840
1052	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	841	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1053	XRenderComposite (dpy,	842	XRenderComposite (dpy,
1054	PictOpSrc,	843	PictOpSrc,
1055	src,	844	src,
1056	None,	845	None,
1057	dst,	846	dst,
1058	0, 0,	847	0, 0,
1059	0, 0,	848	0, 0,
1060	0, 0,	849	0, 0,
1061	width, height);	850	width, height);
1062	}
1063		851
1064	ret = true;	852	ret = true;
1065	}	853	}
1066		854
1067	free (kernel);	855	free (kernel);
…		…
1075	bool	863	bool
1076	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	864	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1077	{	865	{
1078	bool ret = false;	866	bool ret = false;
1079		867
1080	if (bg_flags & BG_TINT_BITAND)	868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1081	{	869	{
1082	XGCValues gcv;	870	XGCValues gcv;
1083	GC gc;	871	GC gc;
1084		872
1085	/* In this case we can tint image server-side getting significant	873	/* In this case we can tint image server-side getting significant
…		…
1094	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	882	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1095	ret = true;	883	ret = true;
1096	XFreeGC (dpy, gc);	884	XFreeGC (dpy, gc);
1097	}	885	}
1098	}	886	}
1099	else
1100	{
1101	# if XRENDER	887	# if XRENDER
		888	else if (bg_flags & BG_HAS_RENDER)
		889	{
1102	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1103		891
1104	if (bg_flags & BG_TINT_SET)	892	if (bg_flags & BG_TINT_SET)
1105	tint.get (c);	893	tint.get (c);
1106		894
…		…
1115	c.r = c.r * (200 - shade) / 100;	903	c.r = c.r * (200 - shade) / 100;
1116	c.g = c.g * (200 - shade) / 100;	904	c.g = c.g * (200 - shade) / 100;
1117	c.b = c.b * (200 - shade) / 100;	905	c.b = c.b * (200 - shade) / 100;
1118	}	906	}
1119		907
1120	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1121	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1122	XRenderPictureAttributes pa;
1123		909
1124	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1125		911
1126	pa.repeat = True;	912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1127		913
1128	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	914	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1129	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1130	XFreePixmap (dpy, overlay_pmap);
1131
1132	pa.component_alpha = True;
1133	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1134	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat \| CPComponentAlpha, &pa);
1135	XFreePixmap (dpy, mask_pmap);
1136		915
1137	XRenderColor mask_c;	916	XRenderColor mask_c;
1138		917
1139	mask_c.alpha = 0xffff;	918	mask_c.alpha = 0xffff;
1140	mask_c.red =	919	mask_c.red =
…		…
1145	mask_c.alpha = 0;	924	mask_c.alpha = 0;
1146	mask_c.red = 0xffff - c.r;	925	mask_c.red = 0xffff - c.r;
1147	mask_c.green = 0xffff - c.g;	926	mask_c.green = 0xffff - c.g;
1148	mask_c.blue = 0xffff - c.b;	927	mask_c.blue = 0xffff - c.b;
1149	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	928	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		929
1150	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	930	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1151		931
1152	if (shade > 100)	932	if (shade > 100)
1153	{	933	{
1154	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1155	mask_c.alpha = 0;	934	mask_c.alpha = 0;
		935	mask_c.red =
		936	mask_c.green =
		937	mask_c.blue = 0xffff * (shade - 100) / 100;
1156	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	938	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1157		939
1158	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	940	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1159	}	941	}
1160		942
1161	ret = true;	943	ret = true;
1162		944
1163	XRenderFreePicture (dpy, mask_pic);	945	XRenderFreePicture (dpy, mask_pic);
1164	XRenderFreePicture (dpy, overlay_pic);	946	XRenderFreePicture (dpy, overlay_pic);
1165	XRenderFreePicture (dpy, back_pic);	947	XRenderFreePicture (dpy, back_pic);
		948	}
1166	# endif	949	# endif
1167	}
1168		950
1169	return ret;	951	return ret;
1170	}	952	}
1171		953
1172	/*	954	/*
1173	* Builds a pixmap of the same size as the terminal window that contains	955	* Builds a pixmap of the same size as the terminal window that contains
1174	* the tiled portion of the root pixmap that is supposed to be covered by	956	* the tiled portion of the root pixmap that is supposed to be covered by
1175	* our window.	957	* our window.
1176	*/	958	*/
1177	unsigned long	959	bool
1178	rxvt_term::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
1179	{	961	{
1180	unsigned long result = 0;	962	bool ret = false;
1181		963
1182	/* root dimensions may change from call to call - but Display structure should	964	/* root dimensions may change from call to call - but Display structure should
1183	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
1184	*/	966	*/
1185	int screen = display->screen;	967	int screen = display->screen;
…		…
1223	#if XRENDER	1005	#if XRENDER
1224	if (bg_flags & BG_HAS_RENDER)	1006	if (bg_flags & BG_HAS_RENDER)
1225	{	1007	{
1226	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1008	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1227		1009
1228	XRenderPictureAttributes pa;
1229
1230	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1231	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1232		1012
1233	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1234	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1235		1015
1236	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1016	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1237		1017
1238	XRenderFreePicture (dpy, src);	1018	XRenderFreePicture (dpy, src);
1239	XRenderFreePicture (dpy, dst);	1019	XRenderFreePicture (dpy, dst);
…		…
1256	bg_pmap_width = window_width;	1036	bg_pmap_width = window_width;
1257	bg_pmap_height = window_height;	1037	bg_pmap_height = window_height;
1258	}	1038	}
1259		1039
1260	/* straightforward pixmap copy */	1040	/* straightforward pixmap copy */
1261	while (sx < 0) sx += root_width;	1041	while (sx < 0) sx += root_pmap_width;
1262	while (sy < 0) sy += root_height;	1042	while (sy < 0) sy += root_pmap_height;
1263		1043
1264	gcv.tile = recoded_root_pmap;	1044	gcv.tile = recoded_root_pmap;
1265	gcv.fill_style = FillTiled;	1045	gcv.fill_style = FillTiled;
1266	gcv.ts_x_origin = -sx;	1046	gcv.ts_x_origin = -sx;
1267	gcv.ts_y_origin = -sy;	1047	gcv.ts_y_origin = -sy;
1268	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1048	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1269		1049
1270	if (gc)	1050	if (gc)
1271	{	1051	{
1272	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1273	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1053	ret = true;
1274	XFreeGC (dpy, gc);	1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1275		1055
1276	if (!(bg_flags & BG_CLIENT_RENDER))	1056	if (!(bg_flags & BG_CLIENT_RENDER))
1277	{	1057	{
1278	if ((bg_flags & BG_NEEDS_BLUR)	1058	if (bg_flags & BG_NEEDS_BLUR)
1279	&& (bg_flags & BG_HAS_RENDER_CONV))
1280	{	1059	{
1281	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1282	result &= ~BG_NEEDS_BLUR;	1061	tr_flags &= ~BG_NEEDS_BLUR;
1283	}	1062	}
1284	if ((bg_flags & BG_NEEDS_TINT)	1063	if (bg_flags & BG_NEEDS_TINT)
1285	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1286	{	1064	{
1287	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1288	result &= ~BG_NEEDS_TINT;	1066	tr_flags &= ~BG_NEEDS_TINT;
		1067	}
		1068	if (tr_flags & BG_NEEDS_TINT)
		1069	{
		1070	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1071	if (ximage)
		1072	{
		1073	/* our own client-side tinting */
		1074	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1075
		1076	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1077	XDestroyImage (ximage);
		1078	}
1289	}	1079	}
1290	} /* server side rendering completed */	1080	} /* server side rendering completed */
		1081
		1082	XFreeGC (dpy, gc);
1291	}	1083	}
1292		1084
1293	if (recoded_root_pmap != root_pixmap)	1085	if (recoded_root_pmap != root_pixmap)
1294	XFreePixmap (dpy, recoded_root_pmap);	1086	XFreePixmap (dpy, recoded_root_pmap);
1295		1087
1296	return result;	1088	return ret;
1297	}	1089	}
1298		1090
1299	void	1091	void
1300	rxvt_term::bg_set_root_pixmap ()	1092	rxvt_term::bg_set_root_pixmap ()
1301	{	1093	{
…		…
1305		1097
1306	root_pixmap = new_root_pixmap;	1098	root_pixmap = new_root_pixmap;
1307	}	1099	}
1308	# endif /* ENABLE_TRANSPARENCY */	1100	# endif /* ENABLE_TRANSPARENCY */
1309		1101
1310	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1311	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1312	# endif
1313
1314	bool	1102	bool
1315	rxvt_term::bg_render ()	1103	rxvt_term::bg_render ()
1316	{	1104	{
1317	unsigned long tr_flags = 0;	1105	bool transparent = false;
1318		1106
1319	bg_invalidate ();	1107	bg_invalidate ();
1320	# ifdef ENABLE_TRANSPARENCY	1108	# ifdef ENABLE_TRANSPARENCY
1321	if (bg_flags & BG_IS_TRANSPARENT)	1109	if (bg_flags & BG_IS_TRANSPARENT)
1322	{	1110	{
1323	/* we need to re-generate transparency pixmap in that case ! */	1111	/* we need to re-generate transparency pixmap in that case ! */
1324	tr_flags = make_transparency_pixmap ();	1112	transparent = make_transparency_pixmap ();
1325	if (tr_flags == 0)	1113	if (transparent)
1326	return false;
1327	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1328	bg_flags \|= BG_IS_VALID;	1114	bg_flags \|= BG_IS_VALID;
1329	}	1115	}
1330	# endif	1116	# endif
1331		1117
1332	# ifdef BG_IMAGE_FROM_FILE	1118	# ifdef BG_IMAGE_FROM_FILE
1333	if ((bg_flags & BG_IS_FROM_FILE)	1119	if (bg_flags & BG_IS_FROM_FILE)
1334	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1335	{	1120	{
1336	if (render_image (tr_flags))	1121	if (render_image (transparent))
1337	bg_flags \|= BG_IS_VALID;	1122	bg_flags \|= BG_IS_VALID;
1338	}
1339	# endif
1340
1341	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1342	XImage *result = NULL;
1343
1344	if (tr_flags && !(bg_flags & BG_IS_VALID))
1345	{
1346	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1347	}
1348
1349	if (result)
1350	{
1351	/* our own client-side tinting */
1352	if (tr_flags & BG_NEEDS_TINT)
1353	{
1354	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1355	if (bg_flags & BG_TINT_SET)
1356	tint.get (c);
1357	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1358	}
1359
1360	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1361
1362	if (gc)
1363	{
1364	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1365
1366	XFreeGC (dpy, gc);
1367	bg_flags \|= BG_IS_VALID;
1368	}
1369
1370	XDestroyImage (result);
1371	}	1123	}
1372	# endif	1124	# endif
1373		1125
1374	if (!(bg_flags & BG_IS_VALID))	1126	if (!(bg_flags & BG_IS_VALID))
1375	{	1127	{
…		…
1412	#endif	1164	#endif
1413	}	1165	}
1414		1166
1415	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1416		1168
1417	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1169	#ifdef ENABLE_TRANSPARENCY
1418	/* taken from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1419		1171
1420	static void	1172	static inline void
1421	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1173	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
		1174	{
		1175	for (int i = 0; i <= mask >> sh; i++)
		1176	{
		1177	uint32_t tmp;
		1178	tmp = i * high;
		1179	tmp += (mask >> sh) * low;
		1180	lookup[i] = (tmp / 0xffff) << sh;
		1181	}
		1182	}
		1183
		1184	void
		1185	rxvt_term::tint_ximage (Visual visual, XImage ximage)
1422	{	1186	{
1423	int sh_r, sh_g, sh_b;	1187	int sh_r, sh_g, sh_b;
1424	uint32_t mask_r, mask_g, mask_b;	1188	uint32_t mask_r, mask_g, mask_b;
1425	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1189	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1426	rgba low;	1190	unsigned short low;
1427	rgba high;
1428	int i;
1429	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1191	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1430		1192
1431	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1193	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1432		1194
1433	/* for convenience */	1195	/* for convenience */
…		…
1492	break;	1254	break;
1493	default:	1255	default:
1494	return; /* we do not support this color depth */	1256	return; /* we do not support this color depth */
1495	}	1257	}
1496		1258
		1259	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1260
		1261	if (bg_flags & BG_TINT_SET)
		1262	tint.get (c);
		1263
1497	/* prepare limits for color transformation (each channel is handled separately) */	1264	/* prepare limits for color transformation (each channel is handled separately) */
1498	if (shade > 100)	1265	if (shade > 100)
1499	{	1266	{
1500	shade = 200 - shade;
1501
1502	high.r = c.r * shade / 100;
1503	high.g = c.g * shade / 100;
1504	high.b = c.b * shade / 100;
1505
1506	low.r = 65535 * (100 - shade) / 100;	1267	c.r = c.r * (200 - shade) / 100;
1507	low.g = 65535 * (100 - shade) / 100;	1268	c.g = c.g * (200 - shade) / 100;
1508	low.b = 65535 * (100 - shade) / 100;	1269	c.b = c.b * (200 - shade) / 100;
		1270
		1271	low = 0xffff * (shade - 100) / 100;
1509	}	1272	}
1510	else	1273	else
1511	{	1274	{
1512	high.r = c.r * shade / 100;	1275	c.r = c.r * shade / 100;
1513	high.g = c.g * shade / 100;	1276	c.g = c.g * shade / 100;
1514	high.b = c.b * shade / 100;	1277	c.b = c.b * shade / 100;
1515		1278
1516	low.r = low.g = low.b = 0;	1279	low = 0;
1517	}	1280	}
1518		1281
1519	/* fill our lookup tables */	1282	/* fill our lookup tables */
1520	for (i = 0; i <= mask_r>>sh_r; i++)	1283	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1521	{	1284	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1522	uint32_t tmp;	1285	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1523	tmp = i * high.r;
1524	tmp += (mask_r>>sh_r) * low.r;
1525	lookup_r[i] = (tmp/65535)<<sh_r;
1526	}
1527	for (i = 0; i <= mask_g>>sh_g; i++)
1528	{
1529	uint32_t tmp;
1530	tmp = i * high.g;
1531	tmp += (mask_g>>sh_g) * low.g;
1532	lookup_g[i] = (tmp/65535)<<sh_g;
1533	}
1534	for (i = 0; i <= mask_b>>sh_b; i++)
1535	{
1536	uint32_t tmp;
1537	tmp = i * high.b;
1538	tmp += (mask_b>>sh_b) * low.b;
1539	lookup_b[i] = (tmp/65535)<<sh_b;
1540	}
1541		1286
1542	/* apply table to input image (replacing colors by newly calculated ones) */	1287	/* apply table to input image (replacing colors by newly calculated ones) */
1543	if (ximage->bits_per_pixel == 32	1288	if (ximage->bits_per_pixel == 32
1544	&& (ximage->depth == 24 \|\| ximage->depth == 32)	1289	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1545	&& ximage->byte_order == host_byte_order)	1290	&& ximage->byte_order == host_byte_order)
…		…
1575	}	1320	}
1576	}	1321	}
1577		1322
1578	free (lookup);	1323	free (lookup);
1579	}	1324	}
1580	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1325	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.159 by sf-exg, Wed Aug 10 07:34:35 2011 UTC vs. Revision 1.207 by sf-exg, Thu May 10 21:48:55 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.159 by sf-exg, Wed Aug 10 07:34:35 2011 UTC vs.
Revision 1.207 by sf-exg, Thu May 10 21:48:55 2012 UTC